91 Project Update
April 2016

Thank you for your interest in the Riverside County Transportation Commission's 91 Project. This monthly e-bulletin offers news and updates about this project, which is under construction in Corona and Riverside. For the latest information, please stay connected through the links below and the project helpline.
Eastbound 91 Six-Hour Full Closure at Maple Street Rescheduled for Thursday, April 14

The eastbound 91 six-hour full closure originally scheduled for Sunday, April 10 has been rescheduled to Thursday, April 14 at 11 pm to Friday, April 15 at 5 am. The closure was postponed due to forecasted rain over the weekend. Crews will work on the Maple Street bridge temporary structures and install an overhead sign in the area.
The following is the closure sequence to begin the night of April 14:
  • Eastbound 91 reduced to two lanes from 10 pm to 11 pm - No detour will be required since other lanes will remain open.
  • Full closure of eastbound 91 at Maple Street from 11 pm to 1 am - Motorists will exit at Maple Street and reenter eastbound 91 at the Paseo Grande on-ramp.
  • Full closure of eastbound 91 at Maple Street from 1 am to 5 am - Motorists will exit at Maple Street, use Sixth Street to El Sobrante Road, head south to Magnolia Avenue, and then head east to enter northbound Interstate 15 to reconnect to the 91. Traffic directors will be stationed at these intersections to help with traffic control. All lanes will reopen by 5 am.
Please follow detour signs and allow extra travel time

Single Far Right Lane to Close on Westbound 91, Weekend of April 15

The far right lane on westbound 91 will be closed for 36 hours between the Green River Road on-ramp and the Riverside County/Orange County line from Friday, April 15 at 9 pm to Sunday, April 17 at 9 am. This closure is needed to allow crews to replace the existing pavement in this area. This is a single lane closure that will not require a designated detour, as the other lanes will remain open during this time. 

Motorists are advised to plan ahead and to allow extra travel time. Please visit IE511.org to check for real-time traffic conditions.  

For questions, please call the project helpline at 877-770-9191, email sr91project@rctc.org or visit the website, Facebook, Twitter or Instagram.

Serfas/Maple Makeover Activities Continue

The Serfas/Maple Makeover is continuing at Serfas Club Drive and Maple Street. Motorists will continue to see significant work in these areas during the coming months. 

Construction crews recently completed the lowering of Serfas Club Drive by approximately five feet to increase vertical clearance beneath the 91. Work was divided into three phases, with three weekend closures between February 26 and April 4 and a full closure of the undercrossing from March 25 to April 4. After reopening the roadway on April 4, traffic flow has improved for this area, due to added roadway capacity. 

Crews next will be installing support structures to widen the 91 and rebuild the westbound 91 off-ramp. This will require nighttime closures of the undercrossing the weeks of April 11 and 18 and the closure of the westbound off-ramp for approximately two months, starting in May. Drivers can use Maple Street (northbound travel) or Smith Avenue (northbound and southbound travel). The eastbound Serfas Club off-ramp also has been reduced to one lane during this work. These dates are estimated and subject to change. 

Further east, Maple Street will continue to be configured for northbound travel only. Nighttime closures of the 91 will be required in the near future for crews to install support structures for the construction of the new Maple Street bridge. 

The Serfas/Maple Makeover began in June 2015 and includes a series of improvements to bridges and ramps at Serfas Club Drive and Maple Street, as well as other nearby roadways. Work is expected to last until the end of this year. 

The Riverside County Transportation Commission reminds you to stay up to date on construction progress. Please use the "Contact Us/Feedback page of the website, email, sr91project@rctc.org, call the helpline at 877-770-9191, and use "sr91project" to connect via Facebook, Twitter and Instagram.

Updated Ramp and Local Street Activities Schedule Available 

Aa means to keep motorists and community members apprised of 91 Project construction activities, the team recently updated the "Ramp and Local Street Activities and Timing" graphic. Please view the updated version on the News and FAQs webpage or by clicking here

The list is organized by westbound and eastbound 91 activities as well as construction work occurring on local streets. Please note that the list does not include construction under way by the City of Corona or the Riverside County Transportation Department. The project team will update this graphic on an ongoing basis. 

Crews Reduce Lanes on Westbound 91 Lincoln Avenue On-Ramp

The 91 Project reduced the westbound 91 Lincoln Avenue on-ramp from three lanes to two lanes on April 4 to allow crews to work on the new on-ramp that will connect directly from the Lincoln Avenue bridge. This lane reduction will remain in place through the end of 2016. The ramp meter will be turned off while the ramp is reduced to two lanes. 

Please allow extra travel time, especially during morning commute hours. Motorists also can use the westbound 91 Serfas Club on-ramp as an alternate route.

What are those Little Buildings?

Driving along the 91 and the 15, motorists are seeing new, small buildings in the median and wondering about them. These "Toll Utility Buildings" are in place for future enforcement of the 91 Express Lanes that are now under construction. The TUBs will help ensure that motorists using the new tolled express lanes have transponders installed in their vehicles and those who are using the lanes as carpools have three or more people per vehicle. 

The tolled express lanes will be an extension of the Orange County 91 Express Lanes that began operating in 2003. Access to the Riverside County express lanes will be available at three locations: 

1. On the 91, west of the Green River Road Interchange for drivers heading in either direction 

2. On the 91 at the 15, an entrance will be provided for drivers heading west and an exit will be provided for drivers heading east 

3. On the 15, an entrance will be provided north of the Ontario Avenue Interchange for northbound drivers, with a direct connector from northbound 15 to westbound 91. Similarly, an exit point will be provided for southbound drivers at this location. 

For more information about the future express lanes in Riverside County, go to the Tolled Express Lanes FAQ of the News & FAQ's webpage.

Baseball Season is Back with Angels Express


Ditch the traffic and relax on the Metrolink's special trains to Angels home games on Friday nights.


The Riverside County Transportation Commission and the Orange County Transportation Authority have teamed up to offer the Angels Express. Roundtrip train tickets cost $7 for regular fares, $6 for senior/disabled riders, and $4 for children 6-18 years old. Children under 5 ride free with a paying adult, with a limit of three per fare. Train tickets are available at the Metrolink vending machines. Please arrive at least 15 minutes before the train departs to allow time to buy tickets and board the train.  


Fans will need to board the Inland Empire/Orange County Line Train 899 from the North Main Corona station at 5:19 pm or from the West Corona station at 5:25 pm and transfer at the Orange Station to Orange County Train 643. The train will drop you off at the new Anaheim-ARTIC Station, a short walk from Angel Stadium. Parking is free at all Riverside County Metrolink stations! 


The Angels Express will depart 30 minutes after the game end. Board Train 644 to the Orange Station and then transfer to the Inland Empire-Orange County special Train 898 toward Riverside.


The Angels Express is available for Friday home games: April 22, May 6, May 20, May 27, June 10, June 24, July 15, July 29, August 19, September 9, September 16 and September 30.


The Corona Chamber of Commerce is sponsoring a special "Corona Night with the Angels" on Wednesday, April 27. For more information, contact the Corona Chamber of Commerce at 951-737-3350 or visit their website. Tickets are subject to availability.


For more information about the Angels express, visit AngelsExpress.net.


RCTC also reminds you that Metrolink offers two lines for the Inland Empire region:

  • 91 Line: Runs roughly parallel to the 91 between Riverside and Los Angeles, seven days per week.
  • Inland Empire-Orange County Line: Offers service seven days per week from Riverside to Oceanside, including the popular "Beach Train," with weekend stops at the San Clemente Pier and other south Orange County destinations.

Metrolink's Weekend Day Pass is only $10 and allows riders to hop aboard anytime, anywhere, system wide on either Saturday or Sunday. For schedule and fare information, visit metrolinktrains.com.


Business Spotlight: Gorilla Islands


Is a new barbecue calling your name? How about a pizza oven or fire pit? Head over to Gorilla Islands, also known as the "King of Backyard Fun." Gorilla Islands guarantees high quality products and fantastic service. Their staff offer excellent customer service and will visit your home for an evaluation of space and provide customized illustration of your dream backyard. 


Serving the Corona community for 12 years, Gorilla Islands has everything from gourmet wood to pellets, coals and grilling utensils for your perfect barbecue fantasy. Gorilla Islands also will offer cooking presentations soon with well-known, professional chefs every three months, right in their 16,000-square foot showroom, so stop by.


Gorilla Islands

1454 Pomona Rd., Corona, CA 92882 


Hours of Operation: Monday - Saturday, 10 am - 6 pm, 

Sunday, 11 am - 6 pm 



* Business Spotlights are for informational purposes only. The 91 Project, RCTC and partner agencies are not endorsing these businesses.

Business Spotlight: Mohr Power Solar


As one of the pioneer solar companies in the industry, Mohr Power Solar is truly a solar specialist. While many other companies work as electrical installers, Mohr Power Solar is specialized and has perfected the art form of custom solar projects, which include solar electricity, pool heating, and solar domestic hot water. With three generations in the business, these forerunners of the solar industry know how to help anyone with solar needs. 

Located on Pomona Road, Mohr Power Solar has served the community of Corona for 25 years and has a database of more than 35,000 customers and a history of serving 165,000 systems. They pride themselves on their craftsmanship and providing the best quality system at the best value possible. Stop by today for a 20% Spring Special and 30% solar tax credit. 

Mohr Power Solar 
1452 Pomona Rd., Corona, CA 92882 
951- 736-2000 
Hours of Operation: Monday - Sunday, 8 am - 5 pm



* Business Spotlights are for informational purposes only. The 91 Project, RCTC and partner agencies are not endorsing these businesses.

Project Overview

Led by the Riverside County Transportation Commission (RCTC), the 91 Project will add regular lanes, tolled express lanes, auxiliary lanes and a direct express lane connector from northbound 15 to westbound 91 and eastbound 91 to  southbound 15. Improvements to interchanges, bridges, ramps,  and local streets also will be made along the 91.

Quick Links
Stay Connected
Project Helpline 

Riv. County Seal
FHWA logo